Home / 632,701.14-947,859.48-312,478.20

Finding the Fourth Proportional to 632,701.14, 947,859.48 and 312,478.20

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Solution

The fourth proportional to 632,701.14, 947,859.48 and 312,478.20 is: 468,128.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,701.14 : 947,859.48 = 312,478.20 : x
  2. Step 2: Convert to fraction form
    632,701.14/947,859.48 = 312,478.20/x
  3. Step 3: Cross multiply
    632,701.14x = 947,859.48 × 312,478.20
  4. Step 4: Simplify right side
    632,701.14x = 296,185,424,163.34
  5. Step 5: Solve for x
    x = 296,185,424,163.34/632,701.14
  6. Step 6: Final answer
    x = 468,128.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.